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Paper Abstract and Keywords
Presentation 2012-08-03 11:15
Evaluation of Multi-GPU System with ExpEther
Shimpei Nomura, Tetsuya Nakahama (Keio Univ.), Junichi Higuchi, Jun Suzuki, Takashi Yoshikawa (NEC), Hideharu Amano (Keio Univ.) CPSY2012-22
Abstract (in Japanese) (See Japanese page) 
(in English) Clusters with GPUs become widespread because they provide high peak performance and good performance per cost. However, since the number of plugged GPUs into a CPU is limited by power supply and so on, such clusters must have multiple host PCs. This conventional multi-GPU cluster requires programmers to learn parallel programming skills for controlling communication between nodes as well as GPU programming. We propose new multi-GPU system, single host and multiple GPUs connected via Ethernet by using ExpEther. Compared with a single GPU, our proposed system with eight GPUs achieved 7.13 speedup in the application without communication between devices, 3.74 speedup in the application has communication.
Keyword (in Japanese) (See Japanese page) 
(in English) GPU / Cluster / ExpEther / Parallel Computing / Scalability / / /  
Reference Info. IEICE Tech. Rep., vol. 112, no. 173, CPSY2012-22, pp. 79-84, Aug. 2012.
Paper # CPSY2012-22 
Date of Issue 2012-07-26 (CPSY) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee DC CPSY  
Conference Date 2012-08-02 - 2012-08-03 
Place (in Japanese) (See Japanese page) 
Place (in English) Torigin Bunka Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Summer United Workshops on Parallel, Distributed and Cooperative Processing "Tottori" (SWoPP 2012) 
Paper Information
Registration To CPSY 
Conference Code 2012-08-DC-CPSY 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of Multi-GPU System with ExpEther 
Sub Title (in English)  
Keyword(1) GPU  
Keyword(2) Cluster  
Keyword(3) ExpEther  
Keyword(4) Parallel Computing  
Keyword(5) Scalability  
1st Author's Name Shimpei Nomura  
1st Author's Affiliation Keio Univ. (Keio Univ.)
2nd Author's Name Tetsuya Nakahama  
2nd Author's Affiliation Keio Univ. (Keio Univ.)
3rd Author's Name Junichi Higuchi  
3rd Author's Affiliation NEC (NEC)
4th Author's Name Jun Suzuki  
4th Author's Affiliation NEC (NEC)
5th Author's Name Takashi Yoshikawa  
5th Author's Affiliation NEC (NEC)
6th Author's Name Hideharu Amano  
6th Author's Affiliation Keio Univ. (Keio Univ.)
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Date Time 2012-08-03 11:15:00 
Presentation Time 30 
Registration for CPSY 
Paper # IEICE-CPSY2012-22 
Volume (vol) IEICE-112 
Number (no) no.173 
Page pp.79-84 
#Pages IEICE-6 
Date of Issue IEICE-CPSY-2012-07-26 

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